标准编号：ISO 24509:2019
中文名称：人体工程学 易访问设计 为任何年龄的人估计最小可读字体大小的一种方法
英文名称：Ergonomics — Accessible design — A method for estimating minimum legible font size for people at any age
发布日期：2019-10
标准范围
This document provides a method for estimating minimum legible font size for single characters, but not
for words or sentences, in self-luminous or reflected mode, used in documents, products labels, signs,
and displays for people at any age and in any viewing condition in which viewing distance, luminance
and contrast are varied.
This document applies designing and evaluating legibility of single characters for people at any age
who have no pathological disorders in their eyes, but not for people with visual impairments such as
low vision. The application is specifically directed to, but not limited to, the cases of printed materials
where fixed font size is used.
Applicability of the method to other languages is given in Annex F.
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